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7Uses of Interface org.apache.hadoop.mapred.InputFormat (Hadoop 0.20.1 API)
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83<H2>
84<B>Uses of Interface<br>org.apache.hadoop.mapred.InputFormat</B></H2>
85</CENTER>
86
87<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90Packages that use <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.contrib.index.example"><B>org.apache.hadoop.contrib.index.example</B></A></TD>
94<TD>&nbsp;&nbsp;</TD>
95</TR>
96<TR BGCOLOR="white" CLASS="TableRowColor">
97<TD><A HREF="#org.apache.hadoop.contrib.index.mapred"><B>org.apache.hadoop.contrib.index.mapred</B></A></TD>
98<TD>&nbsp;&nbsp;</TD>
99</TR>
100<TR BGCOLOR="white" CLASS="TableRowColor">
101<TD><A HREF="#org.apache.hadoop.examples"><B>org.apache.hadoop.examples</B></A></TD>
102<TD>Hadoop example code.&nbsp;</TD>
103</TR>
104<TR BGCOLOR="white" CLASS="TableRowColor">
105<TD><A HREF="#org.apache.hadoop.examples.terasort"><B>org.apache.hadoop.examples.terasort</B></A></TD>
106<TD>This package consists of 3 map/reduce applications for Hadoop to
107compete in the annual <a
108href="http://www.hpl.hp.com/hosted/sortbenchmark" target="_top">terabyte sort</a>
109competition.&nbsp;</TD>
110</TR>
111<TR BGCOLOR="white" CLASS="TableRowColor">
112<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
113<TD>A software framework for easily writing applications which process vast
114amounts of data (multi-terabyte data-sets) parallelly on large clusters
115(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
116manner.&nbsp;</TD>
117</TR>
118<TR BGCOLOR="white" CLASS="TableRowColor">
119<TD><A HREF="#org.apache.hadoop.mapred.join"><B>org.apache.hadoop.mapred.join</B></A></TD>
120<TD>Given a set of sorted datasets keyed with the same class and yielding equal
121partitions, it is possible to effect a join of those datasets prior to the map.&nbsp;</TD>
122</TR>
123<TR BGCOLOR="white" CLASS="TableRowColor">
124<TD><A HREF="#org.apache.hadoop.mapred.lib"><B>org.apache.hadoop.mapred.lib</B></A></TD>
125<TD>Library of generally useful mappers, reducers, and partitioners.&nbsp;</TD>
126</TR>
127<TR BGCOLOR="white" CLASS="TableRowColor">
128<TD><A HREF="#org.apache.hadoop.mapred.lib.db"><B>org.apache.hadoop.mapred.lib.db</B></A></TD>
129<TD>org.apache.hadoop.mapred.lib.db Package&nbsp;</TD>
130</TR>
131<TR BGCOLOR="white" CLASS="TableRowColor">
132<TD><A HREF="#org.apache.hadoop.streaming"><B>org.apache.hadoop.streaming</B></A></TD>
133<TD><tt>Hadoop Streaming</tt> is a utility which allows users to create and run
134Map-Reduce jobs with any executables (e.g.&nbsp;</TD>
135</TR>
136</TABLE>
137&nbsp;
138<P>
139<A NAME="org.apache.hadoop.contrib.index.example"><!-- --></A>
140<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
141<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
142<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
143Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A></FONT></TH>
144</TR>
145</TABLE>
146&nbsp;
147<P>
148
149<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
150<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
151<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/contrib/index/example/package-summary.html">org.apache.hadoop.contrib.index.example</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
152</TR>
153<TR BGCOLOR="white" CLASS="TableRowColor">
154<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
155<CODE>&nbsp;class</CODE></FONT></TD>
156<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/contrib/index/example/LineDocInputFormat.html" title="class in org.apache.hadoop.contrib.index.example">LineDocInputFormat</A></B></CODE>
157
158<BR>
159&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An InputFormat for LineDoc for plain text files where each line is a doc.</TD>
160</TR>
161</TABLE>
162&nbsp;
163<P>
164<A NAME="org.apache.hadoop.contrib.index.mapred"><!-- --></A>
165<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
166<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
167<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
168Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A></FONT></TH>
169</TR>
170</TABLE>
171&nbsp;
172<P>
173
174<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
175<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
176<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A> that return types with arguments of type <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
177</TR>
178<TR BGCOLOR="white" CLASS="TableRowColor">
179<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
180<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;</CODE></FONT></TD>
181<TD><CODE><B>IndexUpdateConfiguration.</B><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateConfiguration.html#getIndexInputFormatClass()">getIndexInputFormatClass</A></B>()</CODE>
182
183<BR>
184&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the index input format class.</TD>
185</TR>
186</TABLE>
187&nbsp;
188<P>
189
190<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
191<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
192<TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/package-summary.html">org.apache.hadoop.contrib.index.mapred</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
193</TR>
194<TR BGCOLOR="white" CLASS="TableRowColor">
195<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
196<CODE>&nbsp;void</CODE></FONT></TD>
197<TD><CODE><B>IndexUpdateConfiguration.</B><B><A HREF="../../../../../org/apache/hadoop/contrib/index/mapred/IndexUpdateConfiguration.html#setIndexInputFormatClass(java.lang.Class)">setIndexInputFormatClass</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;theClass)</CODE>
198
199<BR>
200&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the index input format class.</TD>
201</TR>
202</TABLE>
203&nbsp;
204<P>
205<A NAME="org.apache.hadoop.examples"><!-- --></A>
206<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
207<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
208<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
209Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A></FONT></TH>
210</TR>
211</TABLE>
212&nbsp;
213<P>
214
215<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
216<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
217<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/package-summary.html">org.apache.hadoop.examples</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
218</TR>
219<TR BGCOLOR="white" CLASS="TableRowColor">
220<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
221<CODE>static&nbsp;class</CODE></FONT></TD>
222<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/MultiFileWordCount.MyInputFormat.html" title="class in org.apache.hadoop.examples">MultiFileWordCount.MyInputFormat</A></B></CODE>
223
224<BR>
225&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To use <A HREF="../../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred"><CODE>MultiFileInputFormat</CODE></A>, one should extend it, to return a
226 (custom) <A HREF="../../../../../org/apache/hadoop/mapred/RecordReader.html" title="interface in org.apache.hadoop.mapred"><CODE>RecordReader</CODE></A>.</TD>
227</TR>
228<TR BGCOLOR="white" CLASS="TableRowColor">
229<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
230<CODE>static&nbsp;class</CODE></FONT></TD>
231<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/SleepJob.SleepInputFormat.html" title="class in org.apache.hadoop.examples">SleepJob.SleepInputFormat</A></B></CODE>
232
233<BR>
234&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
235</TR>
236</TABLE>
237&nbsp;
238<P>
239<A NAME="org.apache.hadoop.examples.terasort"><!-- --></A>
240<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
241<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
242<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
243Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A></FONT></TH>
244</TR>
245</TABLE>
246&nbsp;
247<P>
248
249<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
250<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
251<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/examples/terasort/package-summary.html">org.apache.hadoop.examples.terasort</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
252</TR>
253<TR BGCOLOR="white" CLASS="TableRowColor">
254<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
255<CODE>&nbsp;class</CODE></FONT></TD>
256<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/examples/terasort/TeraInputFormat.html" title="class in org.apache.hadoop.examples.terasort">TeraInputFormat</A></B></CODE>
257
258<BR>
259&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An input format that reads the first 10 characters of each line as the key
260 and the rest of the line as the value.</TD>
261</TR>
262</TABLE>
263&nbsp;
264<P>
265<A NAME="org.apache.hadoop.mapred"><!-- --></A>
266<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
267<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
268<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
269Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
270</TR>
271</TABLE>
272&nbsp;
273<P>
274
275<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
276<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
277<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
278</TR>
279<TR BGCOLOR="white" CLASS="TableRowColor">
280<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
281<CODE>&nbsp;class</CODE></FONT></TD>
282<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/FileInputFormat.html" title="class in org.apache.hadoop.mapred">FileInputFormat&lt;K,V&gt;</A></B></CODE>
283
284<BR>
285&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/FileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>FileInputFormat</CODE></A>
286  instead.</I></TD>
287</TR>
288<TR BGCOLOR="white" CLASS="TableRowColor">
289<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
290<CODE>&nbsp;class</CODE></FONT></TD>
291<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/KeyValueTextInputFormat.html" title="class in org.apache.hadoop.mapred">KeyValueTextInputFormat</A></B></CODE>
292
293<BR>
294&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> for plain text files.</TD>
295</TR>
296<TR BGCOLOR="white" CLASS="TableRowColor">
297<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
298<CODE>&nbsp;class</CODE></FONT></TD>
299<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/MultiFileInputFormat.html" title="class in org.apache.hadoop.mapred">MultiFileInputFormat&lt;K,V&gt;</A></B></CODE>
300
301<BR>
302&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib"><CODE>CombineFileInputFormat</CODE></A> instead</I></TD>
303</TR>
304<TR BGCOLOR="white" CLASS="TableRowColor">
305<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
306<CODE>&nbsp;class</CODE></FONT></TD>
307<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileAsBinaryInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileAsBinaryInputFormat</A></B></CODE>
308
309<BR>
310&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;InputFormat reading keys, values from SequenceFiles in binary (raw)
311 format.</TD>
312</TR>
313<TR BGCOLOR="white" CLASS="TableRowColor">
314<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
315<CODE>&nbsp;class</CODE></FONT></TD>
316<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileAsTextInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileAsTextInputFormat</A></B></CODE>
317
318<BR>
319&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader
320 which converts the input keys and values to their String forms by calling toString() method.</TD>
321</TR>
322<TR BGCOLOR="white" CLASS="TableRowColor">
323<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
324<CODE>&nbsp;class</CODE></FONT></TD>
325<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileInputFilter.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFilter&lt;K,V&gt;</A></B></CODE>
326
327<BR>
328&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A class that allows a map/red job to work on a sample of sequence files.</TD>
329</TR>
330<TR BGCOLOR="white" CLASS="TableRowColor">
331<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
332<CODE>&nbsp;class</CODE></FONT></TD>
333<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapred">SequenceFileInputFormat&lt;K,V&gt;</A></B></CODE>
334
335<BR>
336&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use
337  <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/SequenceFileInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>SequenceFileInputFormat</CODE></A> 
338  instead.</I></TD>
339</TR>
340<TR BGCOLOR="white" CLASS="TableRowColor">
341<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
342<CODE>&nbsp;class</CODE></FONT></TD>
343<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/TextInputFormat.html" title="class in org.apache.hadoop.mapred">TextInputFormat</A></B></CODE>
344
345<BR>
346&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use <A HREF="../../../../../org/apache/hadoop/mapreduce/lib/input/TextInputFormat.html" title="class in org.apache.hadoop.mapreduce.lib.input"><CODE>TextInputFormat</CODE></A>
347  instead.</I></TD>
348</TR>
349</TABLE>
350&nbsp;
351<P>
352
353<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
354<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
355<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> that return <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
356</TR>
357<TR BGCOLOR="white" CLASS="TableRowColor">
358<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
359<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></CODE></FONT></TD>
360<TD><CODE><B>JobConf.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html#getInputFormat()">getInputFormat</A></B>()</CODE>
361
362<BR>
363&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Get the <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> implementation for the map-reduce job,
364 defaults to <A HREF="../../../../../org/apache/hadoop/mapred/TextInputFormat.html" title="class in org.apache.hadoop.mapred"><CODE>TextInputFormat</CODE></A> if not specified explicity.</TD>
365</TR>
366</TABLE>
367&nbsp;
368<P>
369
370<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
371<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
372<TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
373</TR>
374<TR BGCOLOR="white" CLASS="TableRowColor">
375<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
376<CODE>&nbsp;void</CODE></FONT></TD>
377<TD><CODE><B>JobConf.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html#setInputFormat(java.lang.Class)">setInputFormat</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;theClass)</CODE>
378
379<BR>
380&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;Set the <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> implementation for the map-reduce job.</TD>
381</TR>
382</TABLE>
383&nbsp;
384<P>
385<A NAME="org.apache.hadoop.mapred.join"><!-- --></A>
386<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
387<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
388<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
389Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A></FONT></TH>
390</TR>
391</TABLE>
392&nbsp;
393<P>
394
395<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
396<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
397<TH ALIGN="left" COLSPAN="2">Subinterfaces of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A></FONT></TH>
398</TR>
399<TR BGCOLOR="white" CLASS="TableRowColor">
400<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
401<CODE>&nbsp;interface</CODE></FONT></TD>
402<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/ComposableInputFormat.html" title="interface in org.apache.hadoop.mapred.join">ComposableInputFormat&lt;K extends WritableComparable,V extends Writable&gt;</A></B></CODE>
403
404<BR>
405&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Refinement of InputFormat requiring implementors to provide
406 ComposableRecordReader instead of RecordReader.</TD>
407</TR>
408</TABLE>
409&nbsp;
410<P>
411
412<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
413<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
414<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
415</TR>
416<TR BGCOLOR="white" CLASS="TableRowColor">
417<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
418<CODE>&nbsp;class</CODE></FONT></TD>
419<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeInputFormat.html" title="class in org.apache.hadoop.mapred.join">CompositeInputFormat&lt;K extends WritableComparable&gt;</A></B></CODE>
420
421<BR>
422&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An InputFormat capable of performing joins over a set of data sources sorted
423 and partitioned the same way.</TD>
424</TR>
425<TR BGCOLOR="white" CLASS="TableRowColor">
426<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
427<CODE>static&nbsp;class</CODE></FONT></TD>
428<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/join/Parser.Node.html" title="class in org.apache.hadoop.mapred.join">Parser.Node</A></B></CODE>
429
430<BR>
431&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
432</TR>
433</TABLE>
434&nbsp;
435<P>
436
437<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
438<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
439<TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/mapred/join/package-summary.html">org.apache.hadoop.mapred.join</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
440</TR>
441<TR BGCOLOR="white" CLASS="TableRowColor">
442<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
443<CODE>static&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
444<TD><CODE><B>CompositeInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeInputFormat.html#compose(java.lang.Class, java.lang.String)">compose</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;inf,
445        <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;path)</CODE>
446
447<BR>
448&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for constructing composite formats.</TD>
449</TR>
450<TR BGCOLOR="white" CLASS="TableRowColor">
451<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
452<CODE>static&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
453<TD><CODE><B>CompositeInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeInputFormat.html#compose(java.lang.String, java.lang.Class, org.apache.hadoop.fs.Path...)">compose</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;op,
454        <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;inf,
455        <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>...&nbsp;path)</CODE>
456
457<BR>
458&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for constructing composite formats.</TD>
459</TR>
460<TR BGCOLOR="white" CLASS="TableRowColor">
461<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
462<CODE>static&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
463<TD><CODE><B>CompositeInputFormat.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/join/CompositeInputFormat.html#compose(java.lang.String, java.lang.Class, java.lang.String...)">compose</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;op,
464        <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;inf,
465        <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>...&nbsp;path)</CODE>
466
467<BR>
468&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for constructing composite formats.</TD>
469</TR>
470</TABLE>
471&nbsp;
472<P>
473<A NAME="org.apache.hadoop.mapred.lib"><!-- --></A>
474<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
475<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
476<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
477Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A></FONT></TH>
478</TR>
479</TABLE>
480&nbsp;
481<P>
482
483<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
484<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
485<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
486</TR>
487<TR BGCOLOR="white" CLASS="TableRowColor">
488<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
489<CODE>&nbsp;class</CODE></FONT></TD>
490<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileInputFormat.html" title="class in org.apache.hadoop.mapred.lib">CombineFileInputFormat&lt;K,V&gt;</A></B></CODE>
491
492<BR>
493&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An abstract <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> that returns <A HREF="../../../../../org/apache/hadoop/mapred/lib/CombineFileSplit.html" title="class in org.apache.hadoop.mapred.lib"><CODE>CombineFileSplit</CODE></A>'s
494 in <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html#getSplits(org.apache.hadoop.mapred.JobConf, int)"><CODE>getSplits(JobConf, int)</CODE></A> method.</TD>
495</TR>
496<TR BGCOLOR="white" CLASS="TableRowColor">
497<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
498<CODE>&nbsp;class</CODE></FONT></TD>
499<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/DelegatingInputFormat.html" title="class in org.apache.hadoop.mapred.lib">DelegatingInputFormat&lt;K,V&gt;</A></B></CODE>
500
501<BR>
502&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> that delegates behaviour of paths to multiple other
503 InputFormats.</TD>
504</TR>
505<TR BGCOLOR="white" CLASS="TableRowColor">
506<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
507<CODE>&nbsp;class</CODE></FONT></TD>
508<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/NLineInputFormat.html" title="class in org.apache.hadoop.mapred.lib">NLineInputFormat</A></B></CODE>
509
510<BR>
511&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NLineInputFormat which splits N lines of input as one split.</TD>
512</TR>
513</TABLE>
514&nbsp;
515<P>
516
517<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
518<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
519<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
520</TR>
521<TR BGCOLOR="white" CLASS="TableRowColor">
522<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
523<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.Sampler.html" title="type parameter in InputSampler.Sampler">K</A>[]</CODE></FONT></TD>
524<TD><CODE><B>InputSampler.Sampler.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.Sampler.html#getSample(org.apache.hadoop.mapred.InputFormat, org.apache.hadoop.mapred.JobConf)">getSample</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.Sampler.html" title="type parameter in InputSampler.Sampler">K</A>,<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.Sampler.html" title="type parameter in InputSampler.Sampler">V</A>&gt;&nbsp;inf,
525          <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job)</CODE>
526
527<BR>
528&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For a given job, collect and return a subset of the keys from the
529 input data.</TD>
530</TR>
531<TR BGCOLOR="white" CLASS="TableRowColor">
532<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
533<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.SplitSampler.html" title="type parameter in InputSampler.SplitSampler">K</A>[]</CODE></FONT></TD>
534<TD><CODE><B>InputSampler.SplitSampler.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.SplitSampler.html#getSample(org.apache.hadoop.mapred.InputFormat, org.apache.hadoop.mapred.JobConf)">getSample</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.SplitSampler.html" title="type parameter in InputSampler.SplitSampler">K</A>,<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.SplitSampler.html" title="type parameter in InputSampler.SplitSampler">V</A>&gt;&nbsp;inf,
535          <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job)</CODE>
536
537<BR>
538&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;From each split sampled, take the first numSamples / numSplits records.</TD>
539</TR>
540<TR BGCOLOR="white" CLASS="TableRowColor">
541<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
542<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.RandomSampler.html" title="type parameter in InputSampler.RandomSampler">K</A>[]</CODE></FONT></TD>
543<TD><CODE><B>InputSampler.RandomSampler.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.RandomSampler.html#getSample(org.apache.hadoop.mapred.InputFormat, org.apache.hadoop.mapred.JobConf)">getSample</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.RandomSampler.html" title="type parameter in InputSampler.RandomSampler">K</A>,<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.RandomSampler.html" title="type parameter in InputSampler.RandomSampler">V</A>&gt;&nbsp;inf,
544          <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job)</CODE>
545
546<BR>
547&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Randomize the split order, then take the specified number of keys from
548 each split sampled, where each key is selected with the specified
549 probability and possibly replaced by a subsequently selected key when
550 the quota of keys from that split is satisfied.</TD>
551</TR>
552<TR BGCOLOR="white" CLASS="TableRowColor">
553<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
554<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.IntervalSampler.html" title="type parameter in InputSampler.IntervalSampler">K</A>[]</CODE></FONT></TD>
555<TD><CODE><B>InputSampler.IntervalSampler.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.IntervalSampler.html#getSample(org.apache.hadoop.mapred.InputFormat, org.apache.hadoop.mapred.JobConf)">getSample</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.IntervalSampler.html" title="type parameter in InputSampler.IntervalSampler">K</A>,<A HREF="../../../../../org/apache/hadoop/mapred/lib/InputSampler.IntervalSampler.html" title="type parameter in InputSampler.IntervalSampler">V</A>&gt;&nbsp;inf,
556          <A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;job)</CODE>
557
558<BR>
559&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For each split sampled, emit when the ratio of the number of records
560 retained to the total record count is less than the specified
561 frequency.</TD>
562</TR>
563</TABLE>
564&nbsp;
565<P>
566
567<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
568<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
569<TH ALIGN="left" COLSPAN="2">Method parameters in <A HREF="../../../../../org/apache/hadoop/mapred/lib/package-summary.html">org.apache.hadoop.mapred.lib</A> with type arguments of type <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
570</TR>
571<TR BGCOLOR="white" CLASS="TableRowColor">
572<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
573<CODE>static&nbsp;void</CODE></FONT></TD>
574<TD><CODE><B>MultipleInputs.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/MultipleInputs.html#addInputPath(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path, java.lang.Class)">addInputPath</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
575             <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;path,
576             <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;inputFormatClass)</CODE>
577
578<BR>
579&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add a <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A> with a custom <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> to the list of
580 inputs for the map-reduce job.</TD>
581</TR>
582<TR BGCOLOR="white" CLASS="TableRowColor">
583<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
584<CODE>static&nbsp;void</CODE></FONT></TD>
585<TD><CODE><B>MultipleInputs.</B><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/MultipleInputs.html#addInputPath(org.apache.hadoop.mapred.JobConf, org.apache.hadoop.fs.Path, java.lang.Class, java.lang.Class)">addInputPath</A></B>(<A HREF="../../../../../org/apache/hadoop/mapred/JobConf.html" title="class in org.apache.hadoop.mapred">JobConf</A>&nbsp;conf,
586             <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs">Path</A>&nbsp;path,
587             <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A>&gt;&nbsp;inputFormatClass,
588             <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred">Mapper</A>&gt;&nbsp;mapperClass)</CODE>
589
590<BR>
591&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Add a <A HREF="../../../../../org/apache/hadoop/fs/Path.html" title="class in org.apache.hadoop.fs"><CODE>Path</CODE></A> with a custom <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred"><CODE>InputFormat</CODE></A> and
592 <A HREF="../../../../../org/apache/hadoop/mapred/Mapper.html" title="interface in org.apache.hadoop.mapred"><CODE>Mapper</CODE></A> to the list of inputs for the map-reduce job.</TD>
593</TR>
594</TABLE>
595&nbsp;
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601Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/mapred/lib/db/package-summary.html">org.apache.hadoop.mapred.lib.db</A></FONT></TH>
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609<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/mapred/lib/db/package-summary.html">org.apache.hadoop.mapred.lib.db</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
610</TR>
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613<CODE>&nbsp;class</CODE></FONT></TD>
614<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/lib/db/DBInputFormat.html" title="class in org.apache.hadoop.mapred.lib.db">DBInputFormat&lt;T extends DBWritable&gt;</A></B></CODE>
615
616<BR>
617&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A InputFormat that reads input data from an SQL table.</TD>
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626Uses of <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A> in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A></FONT></TH>
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631
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634<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../org/apache/hadoop/streaming/package-summary.html">org.apache.hadoop.streaming</A> that implement <A HREF="../../../../../org/apache/hadoop/mapred/InputFormat.html" title="interface in org.apache.hadoop.mapred">InputFormat</A></FONT></TH>
635</TR>
636<TR BGCOLOR="white" CLASS="TableRowColor">
637<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
638<CODE>&nbsp;class</CODE></FONT></TD>
639<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/streaming/StreamInputFormat.html" title="class in org.apache.hadoop.streaming">StreamInputFormat</A></B></CODE>
640
641<BR>
642&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;An input format that selects a RecordReader based on a JobConf property.</TD>
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